Denis Cornell founded Cornell Custom Amplification in 1991. Denis Cornell has built repaired, serviced and custom designed amplification systems for many years. (Sound City's groundbreaking MKIII / IV amp's were co-designed by by Denis along with Brian Hucker) Over the years Denis has helped design amps for many of today's big brand amp manufacturers. As a freelance consultant Denis Cornell has sorted complex technical problems and helped Fender Europe with new designs. Denis has been called upon to help major companies grow and launch their products and had a key role in Arbiter Group's London facility in designing products for them.
Rondo Music is an American owned and operated musical instrument distributor, founded in 1959. Rondo Music sells a variety of musical instruments including electric guitars, acoustic guitars, guitar amps, banjos, and other stringed instruments. Currently their main focus is on their SX Guitars, Agile Guitars, Douglas Guitars, Hadean Guitars, Sprite Guitars, Omega Guitars, Brice Basses, and CNB Cases. The instruments are imported from a variety of countries including China, Taiwan, and Korea (and in the past from Sweden & Italy).
Rok Axe guitars and basses were made from 1995 until around 2007 these were affordable instruments. The Rok Axe brand was owned by Music Industries Corporation of Garden City, New York (who also owned Jay Turser and Prime). The Rok Axe USA Performer series instruments were made in Korea.
Rodie was a brand name of Edd Mandell Enterprises, Inc. of Danbury, Connecticut. The company lasted from 1976 to 1980 and the Rodie range included electric guitars and basses (made in Japan) as well as solid state amplifiers.
Rocker Music Tools guitars were designed in Canada and made in China in the 2000s. The range included a budget strat style electric guitar the RG-100 model which was sold as a starter pack. The was also a bass - the RB-100 model and acoustic guitars including the RA-200 model.
One Control is a Japanese company founded in 2010 by Tomokaz “Kaz” Kawamura whose main focus is guitar pedal switchers. One Control switchers range from a one-channel true bypass looper all the way to a 10 channel programmable switcher with MIDI capabilities. With most loop switchers guitarists would have to use a separate power supply to power their pedals, but One Control has made the innovation of combining a multi-power supply and an effect loop switcher into one product with products like the Iguana and Xenagama, so pedal-boards can be less crowded and more efficient.
Jeff and Catherine Genzler started Genzler Amplification in a garage in Phoenix, Arizona. Genzler Amps has since expanded into a community initiative - giving a percentage of each product sold to support local music projects Genzler make bass & acoustic guitar amplifiers and cabinets.
Carlo Robelli is a house brand of the American music store Sam Ash. The Carlo Robelli range includes guitars, basses, folk instruments, bowed instruments and accessories.This brand has been around since at least the 1970s.
Raven guitars was a brand name of Great Western Imports Ltd of Vancouver from the mid 1960s onwards. Raven electric, acoustic and bass guitars were intially made in Japan for distribution in the USA and Canada - later ones may have been made in Korea or elsewhere.
The Quilter Sound Company was founded in 1968 by Patrick Howe Quilter. Patrick Quilter was an engineering student with an interest in electronics and music, who built his first amp in 1967 for a friend. In the early 1970s the company operated out of a store in Costa Mesa, California and the amplifiers were built and sold on the same site.
Over the years, the Quilter Sound Company became more focused on developing professional power amplifiers and the guitar amp side of the business became less important. In the 1990s Quilter developed network audio systems to control and monitor amplifier systems remotely and also moved into loudspeaker research and development. The company was renamed QSC, LLC in 2015.
Patrick Quilter retired from QSC in 2011, but then founded Quilter Labs to develop portable, solid-state, high-power guitar amplifiers.
CB Sky is a Hong Kong based company, with its own production plant in Jiangsu province, China. They specialize in musical toys and budget musical instruments. Their guitar range includes electric and acousic models as well as amplifiers.
Source: CB Sky website (March 24 2019)
Rocktek was a brand name of affordable (plastic) effects pedals and amplifiers. Rocktek was distributed in the USA by D'Andrea Inc. and the the UK by JHS. Rocktek products were available from the 1980s until around 2004.
Sola Sound is an effects and amplifier brand of Macaris Musical Instruments. In 1964 Larry and Joe Macari founded Sola Sounds Limited to develop a range of products made for and sold by the Macaris Musical Exchange shops, as well for distribution nationwide. The product range started with fuzz and effect pedals, but later grew to include amplifiers, mixers, spring reverbs, and microphones. Sola Sound also made Colorsound effects & amplifiers from 1967 onwards.